RPL-2261 100 Lumens USB Rechargeable Head Light with Holder

1. Rechargeable lithium polymer battery(3.7V 500mAh)
2. Quick release rubber strap handle bar / seatpost mount(fits 12-32mm)
3. 5 modes: Standard / High / Over drive / 50% Flashing / 100% Flashing
4. Water resistant
5. When battery low, the indicator turns flashing orange